56751099 has 16 divisors (see below), whose sum is σ = 77734272. Its totient is φ = 36808128.

The previous prime is 56751091. The next prime is 56751113. The reversal of 56751099 is 99015765.

It is not a de Polignac number, because 56751099 - 2³ = 56751091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56751099.

It is not an unprimeable number, because it can be changed into a prime (56751091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38887 + ... + 40319.

It is an arithmetic number, because the mean of its divisors is an integer number (4858392).

Almost surely, 2^56751099 is an apocalyptic number.

56751099 is a deficient number, since it is larger than the sum of its proper divisors (20983173).

56751099 is a wasteful number, since it uses less digits than its factorization.

56751099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 56751099 is about 7533.3325294985. The cubic root of 56751099 is about 384.2891228069.

The spelling of 56751099 in words is "fifty-six million, seven hundred fifty-one thousand, ninety-nine".